Mentzelia crocea, the Sierra blazingstar or saffron blazing star, is an annual wildflower endemic to the Sierra Nevada foothills of California.
Mentzelia albicaulis is a species of flowering plants in the family Loasaceae known by the common names whitestem blazingstar, white-stemmed stickleaf, and small flowered blazing star. It is native to much of western North America, where it grows in mountain, desert, and plateau habitat.
Mentzelia congesta is a species of flowering plants in the family Loasaceae known by the common name united blazingstar.
Mentzelia gracilenta, known by the common names blazing star, grass blazingstar, and slender blazing star, is a species of flowering plant in the family Loasaceae.
Mentzelia micrantha is a species of flowering plant in the family Loasaceae known by the common name San Luis blazingstar.
Mentzelia montana, known by the common name variegated bract blazingstar, is a species of flowering plant in the family Loasaceae.
Mentzelia nitens is a species of flowering plant in the family Loasaceae known by the common names shining blazingstar and Venus blazingstar. It is native to the Mojave Desert and adjacent desert and mountain areas of eastern California and southern Nevada.
Mentzelia pectinata is a species of flowering plant in the family Loasaceae known by the common name San Joaquin blazingstar.
Mentzelia veatchiana is a species of flowering plant in the family Loasaceae known by the common name Veatch's blazingstar.
Minuartia howellii is an uncommon species of flowering plant in the family Caryophyllaceae known by the common names Howell's stitchwort and Howell's sandwort.
Silene campanulata is a species of flowering plant in the family Caryophyllaceae known by the common names Red Mountain catchfly and bell catchfly. It may be a synonym of Silene greenei.
Streptanthus glandulosus is a species of flowering plant in the mustard family known by the common name bristly jewelflower. It is native to California and southwestern Oregon, where it grows in many types of habitat, including grassland, chaparral, and woodlands. Genetic and other analyses indicate that it is a species complex with ten subspecies which evolved as populations were isolated from each other. The complex includes subspecies previously considered separate species, such as the rare Tiburon jewelflower endemic to the San Francisco Bay Area. Plants in the complex are variable. In general they are annual herbs growing 10 centimeters to over a meter in height. They may be hairless to hairy to bristly. The ephemeral basal leaves have blades borne on winged petioles. Leaves higher on the stem are linear to lance-shaped and clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each flower has an urn-shaped calyx of sepals one half to over one centimeter long which can be most any color from white to yellowish to pink or purple to nearly black. Purple, white, or purple-veined white petals emerge from the tip. The fruit is a straight or curving silique up to 11 centimeters long.
Astragalus osterhoutii is a rare species of milkvetch known by the common name Osterhout milkvetch. It is endemic to Grand County, Colorado, where it is known from a few populations in Middle Park, a mountain basin. There are five or six occurrences. It is a federally listed endangered species.
Phacelia argillacea is a rare species of flowering plant in the borage family known by the common names clay phacelia and Atwood's phacelia. It is endemic to Utah in the United States, where it is known only from one canyon in Utah County. It is "one of Utah's most endangered species"; it is "one of the nation's rarest plants" and is federally listed as an endangered species of the United States.
Mentzelia springeri is a species of flowering plant in the family Loasaceae known by the common name Santa Fe blazingstar. It is endemic to New Mexico in the United States, where it occurs in the Jemez Mountains.
Mentzelia densa is a species of flowering plant in the Loasaceae known by the common names Royal Gorge blazingstar and Royal Gorge stickleaf. It is endemic to Colorado in the United States, where it occurs in the Arkansas River Valley in Fremont and Chaffee Counties.
Mentzelia mollis is a species of flowering plant in the Loasaceae known by the common names soft blazingstar, smooth blazingstar, and smooth stickleaf. It is native to the western United States, where it occurs in Idaho, Oregon, and Nevada.
Sericocarpus rigidus is a species of flowering plant in the aster family known by the common name Columbian whitetop aster. It is native to the Pacific Northwest of North America, where it is known from southern Vancouver Island in British Columbia south along the coast to Washington and Oregon.
Mentzelia chrysantha is a species of flowering plant in the Loasaceae known by the common names gold blazingstar and golden blazingstar. It is endemic to Colorado in the United States.
Oenothera harringtonii is a species of flowering plant in the evening primrose family known by the common names Arkansas Valley evening primrose and Colorado Springs evening primrose. It is endemic to the state of Colorado in the United States.
